Quiz-MCQ-1-Chapter-1-Biomolecule-Biology-Class-XI-MHTCET

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25 Mark Test

Quiz Start : 11/06/2026 3:54 am

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1.

Q- Fatty acids contain…

greater proportion of oxygen than in carbohydrates

no oxygen

equal oxygen in comparison to carbohydrates

less oxygen than that of carbohydrates

2.

Q- Which one is a homopolysaccharide?

Starch

Cellulose

Glycogen and inulin

All of these

3.

Q-Which of the following are water soluble protein?

Globulins

Albumins

Albuminoids

Prolamins

4.

Q Glycosidic linkage at place of branching in starch and glycogen is

∝-1 → 6

∝-1 → 4

β-1 → 4

β-1 → 6

5.

Q- Levulose present in honey is a

disaccharide

glucose

fructose

pentose

6.

Q- The cellular micromolecules are…..

amino acids, water, minerals, nucleotides and sugar

glycogen, amino acids, minerals and nucleotides

water minerals, nucleic acids, amino acids and nucleotides

sugars, water, minerals, proteins and nucleotides

7.

Q- The molecule given below is…

glucose

fructose

sucrose

galactose

8.

Q- Match the following columns.

Column I

Column II

A. Monosaccharides

1. Starch, chitin

B. Oligosaccharide

2. Raltinose, sucrose

C. Polysaccharide

3. Glucose, fructose

.A-1 B-2 C-3

A-3 B-2 C-1

cA-1 B-3 C-2

A-3 B-1 C-2

9.

Q- The components of cane sugar are…

glucose and fructose

fructose and galactose

fructose and ribose

glucose and glucose

10.

Q- Primary structure of protein is due to…

hydrogen bonds

peptide bonds

S — S linkage

ionic bonds

11.

Q- The contractile protein in the human body is…

actin

myosin

tubulin

All of these

12.

Q. Which of the following is a dlsaccharide?

Ribose

Cellulose

Maltose

Glucose

13.

Q- Which of the following is a saturated fatty acid?

Stearic acid

Oleic acid

Linoleic acid

Linolenic acid

14.

Q- Which of the following is a conjugated protein?

Mucin

MHC

Immunoglobulins

All of the above

15.

Q- Reducing sugar…

can reduce Cu²⁺ to Cu⁺

have a free keto group

have a free aldehyde group

All given option is correct

16.

Q- Lactose is a disaccharlde of….

glucose and fructose

glucose and glucose

glucose and galactose

galactose and galactose

17.

Q- The example of scleraprotein are…

keratin

fibroin

Both keratin and fibroin

None of these

18.

Q- The most abundant protein in the whole of the biosphere is …

collagen

insulin

trypsin

RuBisCO

19.

Q-15 Which of the following statements are correct?

(i) Monosaccharides are the simplest carbohydrates.

(ii) Hydrolysis of oligosaccharides gives three to nine monosaccharide units.

(III) Hydrolysis of polysaccharides give 10-15 monosaccharide units.

(iv) Polysaccharides, on hydrolysis yield many oligosaccharide units.

Choose the correct option.

Only (i)

Only (iii)

(i) and (ii)

(i) and (iii)

20.

Q- A peptide chain assumes secondary structure through the formation of…

interchain ionic bond

interchain hydrogen bond

peptide chain with peptide bonds only is a secondary structure itself

None of the above

21.

Q-A heteropolysaccharide is…..

glycogen

starch

cellulose

chitin

22.

Q- Starch and cellulose are the compounds of many units of…

amino acids

glycerol

simple sugar

fatty acids

23.

Q- Chitin is a structural polysaccharide which is polymerised from ……

N-acetylglucosamine

glucose

deoxyribose

None of these

24.

Q- Cellobiose, a disaccharide is formed from the hydrolysis of ……

starch

glycogen

cellulose

raffinose

25.

Q- Each molecule of fat has…

one glycerol molecule

one fatty acid molecule

one glycerol molecule and three fatty acid molecules

All of the above

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Quiz-MCQ-1-Chapter-1-Biomolecule-Biology-Class-XI-MHTCET

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